Home / 42,999.66-64,382.85-37,686.06

Finding the Fourth Proportional to 42,999.66, 64,382.85 and 37,686.06

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Solution

The fourth proportional to 42,999.66, 64,382.85 and 37,686.06 is: 56,426.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,999.66 : 64,382.85 = 37,686.06 : x
  2. Step 2: Convert to fraction form
    42,999.66/64,382.85 = 37,686.06/x
  3. Step 3: Cross multiply
    42,999.66x = 64,382.85 × 37,686.06
  4. Step 4: Simplify right side
    42,999.66x = 2,426,335,948.07
  5. Step 5: Solve for x
    x = 2,426,335,948.07/42,999.66
  6. Step 6: Final answer
    x = 56,426.86

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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.