Home / 94,145.04-129,920.76-51,703.20

Finding the Fourth Proportional to 94,145.04, 129,920.76 and 51,703.20

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Solution

The fourth proportional to 94,145.04, 129,920.76 and 51,703.20 is: 71,350.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,145.04 : 129,920.76 = 51,703.20 : x
  2. Step 2: Convert to fraction form
    94,145.04/129,920.76 = 51,703.20/x
  3. Step 3: Cross multiply
    94,145.04x = 129,920.76 × 51,703.20
  4. Step 4: Simplify right side
    94,145.04x = 6,717,319,038.43
  5. Step 5: Solve for x
    x = 6,717,319,038.43/94,145.04
  6. Step 6: Final answer
    x = 71,350.75

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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.