Home / 56,500.04-77,970.10-31,349.52

Finding the Fourth Proportional to 56,500.04, 77,970.10 and 31,349.52

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Solution

The fourth proportional to 56,500.04, 77,970.10 and 31,349.52 is: 43,262.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,500.04 : 77,970.10 = 31,349.52 : x
  2. Step 2: Convert to fraction form
    56,500.04/77,970.10 = 31,349.52/x
  3. Step 3: Cross multiply
    56,500.04x = 77,970.10 × 31,349.52
  4. Step 4: Simplify right side
    56,500.04x = 2,444,325,209.35
  5. Step 5: Solve for x
    x = 2,444,325,209.35/56,500.04
  6. Step 6: Final answer
    x = 43,262.36

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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.