Home / 77,308.04-106,750.10-58,154.61

Finding the Fourth Proportional to 77,308.04, 106,750.10 and 58,154.61

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Solution

The fourth proportional to 77,308.04, 106,750.10 and 58,154.61 is: 80,302.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,308.04 : 106,750.10 = 58,154.61 : x
  2. Step 2: Convert to fraction form
    77,308.04/106,750.10 = 58,154.61/x
  3. Step 3: Cross multiply
    77,308.04x = 106,750.10 × 58,154.61
  4. Step 4: Simplify right side
    77,308.04x = 6,208,010,378.19
  5. Step 5: Solve for x
    x = 6,208,010,378.19/77,308.04
  6. Step 6: Final answer
    x = 80,302.26

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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.