Home / 93,068.12-128,430.24-50,626.70

Finding the Fourth Proportional to 93,068.12, 128,430.24 and 50,626.70

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Solution

The fourth proportional to 93,068.12, 128,430.24 and 50,626.70 is: 69,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,068.12 : 128,430.24 = 50,626.70 : x
  2. Step 2: Convert to fraction form
    93,068.12/128,430.24 = 50,626.70/x
  3. Step 3: Cross multiply
    93,068.12x = 128,430.24 × 50,626.70
  4. Step 4: Simplify right side
    93,068.12x = 6,501,999,231.41
  5. Step 5: Solve for x
    x = 6,501,999,231.41/93,068.12
  6. Step 6: Final answer
    x = 69,862.80

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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.