Home / 124,663.20-172,036.16-70,952.32

Finding the Fourth Proportional to 124,663.20, 172,036.16 and 70,952.32

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Solution

The fourth proportional to 124,663.20, 172,036.16 and 70,952.32 is: 97,914.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,663.20 : 172,036.16 = 70,952.32 : x
  2. Step 2: Convert to fraction form
    124,663.20/172,036.16 = 70,952.32/x
  3. Step 3: Cross multiply
    124,663.20x = 172,036.16 × 70,952.32
  4. Step 4: Simplify right side
    124,663.20x = 12,206,364,675.89
  5. Step 5: Solve for x
    x = 12,206,364,675.89/124,663.20
  6. Step 6: Final answer
    x = 97,914.74

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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.