Home / 93,689.12-129,289.02-51,246.20

Finding the Fourth Proportional to 93,689.12, 129,289.02 and 51,246.20

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Solution

The fourth proportional to 93,689.12, 129,289.02 and 51,246.20 is: 70,718.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,689.12 : 129,289.02 = 51,246.20 : x
  2. Step 2: Convert to fraction form
    93,689.12/129,289.02 = 51,246.20/x
  3. Step 3: Cross multiply
    93,689.12x = 129,289.02 × 51,246.20
  4. Step 4: Simplify right side
    93,689.12x = 6,625,570,976.72
  5. Step 5: Solve for x
    x = 6,625,570,976.72/93,689.12
  6. Step 6: Final answer
    x = 70,718.68

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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.