Home / 124,939.08-172,405.50-70,488.24

Finding the Fourth Proportional to 124,939.08, 172,405.50 and 70,488.24

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Solution

The fourth proportional to 124,939.08, 172,405.50 and 70,488.24 is: 97,267.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,939.08 : 172,405.50 = 70,488.24 : x
  2. Step 2: Convert to fraction form
    124,939.08/172,405.50 = 70,488.24/x
  3. Step 3: Cross multiply
    124,939.08x = 172,405.50 × 70,488.24
  4. Step 4: Simplify right side
    124,939.08x = 12,152,560,261.32
  5. Step 5: Solve for x
    x = 12,152,560,261.32/124,939.08
  6. Step 6: Final answer
    x = 97,267.89

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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.