Home / 77,331.47-106,712.37-45,494.22

Finding the Fourth Proportional to 77,331.47, 106,712.37 and 45,494.22

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Solution

The fourth proportional to 77,331.47, 106,712.37 and 45,494.22 is: 62,779.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,331.47 : 106,712.37 = 45,494.22 : x
  2. Step 2: Convert to fraction form
    77,331.47/106,712.37 = 45,494.22/x
  3. Step 3: Cross multiply
    77,331.47x = 106,712.37 × 45,494.22
  4. Step 4: Simplify right side
    77,331.47x = 4,854,796,037.50
  5. Step 5: Solve for x
    x = 4,854,796,037.50/77,331.47
  6. Step 6: Final answer
    x = 62,779.05

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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.