Home / 125,298.45-172,901.15-70,847.94

Finding the Fourth Proportional to 125,298.45, 172,901.15 and 70,847.94

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Solution

The fourth proportional to 125,298.45, 172,901.15 and 70,847.94 is: 97,764.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,298.45 : 172,901.15 = 70,847.94 : x
  2. Step 2: Convert to fraction form
    125,298.45/172,901.15 = 70,847.94/x
  3. Step 3: Cross multiply
    125,298.45x = 172,901.15 × 70,847.94
  4. Step 4: Simplify right side
    125,298.45x = 12,249,690,301.13
  5. Step 5: Solve for x
    x = 12,249,690,301.13/125,298.45
  6. Step 6: Final answer
    x = 97,764.10

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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.