Home / 56,531.74-78,025.40-32,655.10

Finding the Fourth Proportional to 56,531.74, 78,025.40 and 32,655.10

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Solution

The fourth proportional to 56,531.74, 78,025.40 and 32,655.10 is: 45,070.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,531.74 : 78,025.40 = 32,655.10 : x
  2. Step 2: Convert to fraction form
    56,531.74/78,025.40 = 32,655.10/x
  3. Step 3: Cross multiply
    56,531.74x = 78,025.40 × 32,655.10
  4. Step 4: Simplify right side
    56,531.74x = 2,547,927,239.54
  5. Step 5: Solve for x
    x = 2,547,927,239.54/56,531.74
  6. Step 6: Final answer
    x = 45,070.74

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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.