Home / 112,631.06-155,430.87-62,333.30

Finding the Fourth Proportional to 112,631.06, 155,430.87 and 62,333.30

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Solution

The fourth proportional to 112,631.06, 155,430.87 and 62,333.30 is: 86,019.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,631.06 : 155,430.87 = 62,333.30 : x
  2. Step 2: Convert to fraction form
    112,631.06/155,430.87 = 62,333.30/x
  3. Step 3: Cross multiply
    112,631.06x = 155,430.87 × 62,333.30
  4. Step 4: Simplify right side
    112,631.06x = 9,688,519,203.80
  5. Step 5: Solve for x
    x = 9,688,519,203.80/112,631.06
  6. Step 6: Final answer
    x = 86,019.96

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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.