Home / 83,710.62-115,526.31-45,985.26

Finding the Fourth Proportional to 83,710.62, 115,526.31 and 45,985.26

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Solution

The fourth proportional to 83,710.62, 115,526.31 and 45,985.26 is: 63,462.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,710.62 : 115,526.31 = 45,985.26 : x
  2. Step 2: Convert to fraction form
    83,710.62/115,526.31 = 45,985.26/x
  3. Step 3: Cross multiply
    83,710.62x = 115,526.31 × 45,985.26
  4. Step 4: Simplify right side
    83,710.62x = 5,312,507,402.19
  5. Step 5: Solve for x
    x = 5,312,507,402.19/83,710.62
  6. Step 6: Final answer
    x = 63,462.76

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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.