Home / 90,457.18-124,810.92-52,208.60

Finding the Fourth Proportional to 90,457.18, 124,810.92 and 52,208.60

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Solution

The fourth proportional to 90,457.18, 124,810.92 and 52,208.60 is: 72,036.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,457.18 : 124,810.92 = 52,208.60 : x
  2. Step 2: Convert to fraction form
    90,457.18/124,810.92 = 52,208.60/x
  3. Step 3: Cross multiply
    90,457.18x = 124,810.92 × 52,208.60
  4. Step 4: Simplify right side
    90,457.18x = 6,516,203,397.91
  5. Step 5: Solve for x
    x = 6,516,203,397.91/90,457.18
  6. Step 6: Final answer
    x = 72,036.33

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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.