Home / 109,817.40-151,550.64-62,070.93

Finding the Fourth Proportional to 109,817.40, 151,550.64 and 62,070.93

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Solution

The fourth proportional to 109,817.40, 151,550.64 and 62,070.93 is: 85,659.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,817.40 : 151,550.64 = 62,070.93 : x
  2. Step 2: Convert to fraction form
    109,817.40/151,550.64 = 62,070.93/x
  3. Step 3: Cross multiply
    109,817.40x = 151,550.64 × 62,070.93
  4. Step 4: Simplify right side
    109,817.40x = 9,406,889,166.90
  5. Step 5: Solve for x
    x = 9,406,889,166.90/109,817.40
  6. Step 6: Final answer
    x = 85,659.37

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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.