Home / 42,547.20-63,669.60-37,060.80

Finding the Fourth Proportional to 42,547.20, 63,669.60 and 37,060.80

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Solution

The fourth proportional to 42,547.20, 63,669.60 and 37,060.80 is: 55,459.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,547.20 : 63,669.60 = 37,060.80 : x
  2. Step 2: Convert to fraction form
    42,547.20/63,669.60 = 37,060.80/x
  3. Step 3: Cross multiply
    42,547.20x = 63,669.60 × 37,060.80
  4. Step 4: Simplify right side
    42,547.20x = 2,359,646,311.68
  5. Step 5: Solve for x
    x = 2,359,646,311.68/42,547.20
  6. Step 6: Final answer
    x = 55,459.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.