Home / 93,758.23-129,386.36-51,316.76

Finding the Fourth Proportional to 93,758.23, 129,386.36 and 51,316.76

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Solution

The fourth proportional to 93,758.23, 129,386.36 and 51,316.76 is: 70,817.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,758.23 : 129,386.36 = 51,316.76 : x
  2. Step 2: Convert to fraction form
    93,758.23/129,386.36 = 51,316.76/x
  3. Step 3: Cross multiply
    93,758.23x = 129,386.36 × 51,316.76
  4. Step 4: Simplify right side
    93,758.23x = 6,639,688,365.08
  5. Step 5: Solve for x
    x = 6,639,688,365.08/93,758.23
  6. Step 6: Final answer
    x = 70,817.13

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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.