Home / 106,758.48-147,320.36-59,008.98

Finding the Fourth Proportional to 106,758.48, 147,320.36 and 59,008.98

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Solution

The fourth proportional to 106,758.48, 147,320.36 and 59,008.98 is: 81,428.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,758.48 : 147,320.36 = 59,008.98 : x
  2. Step 2: Convert to fraction form
    106,758.48/147,320.36 = 59,008.98/x
  3. Step 3: Cross multiply
    106,758.48x = 147,320.36 × 59,008.98
  4. Step 4: Simplify right side
    106,758.48x = 8,693,223,587.75
  5. Step 5: Solve for x
    x = 8,693,223,587.75/106,758.48
  6. Step 6: Final answer
    x = 81,428.89

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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.