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Finding the Fourth Proportional to 93,697.65, 129,303.95 and 51,256.89

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Solution

The fourth proportional to 93,697.65, 129,303.95 and 51,256.89 is: 70,735.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,697.65 : 129,303.95 = 51,256.89 : x
  2. Step 2: Convert to fraction form
    93,697.65/129,303.95 = 51,256.89/x
  3. Step 3: Cross multiply
    93,697.65x = 129,303.95 × 51,256.89
  4. Step 4: Simplify right side
    93,697.65x = 6,627,718,085.43
  5. Step 5: Solve for x
    x = 6,627,718,085.43/93,697.65
  6. Step 6: Final answer
    x = 70,735.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.