Home / 97,685.17-146,526.16-31,124.40

Finding the Fourth Proportional to 97,685.17, 146,526.16 and 31,124.40

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Solution

The fourth proportional to 97,685.17, 146,526.16 and 31,124.40 is: 46,686.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,685.17 : 146,526.16 = 31,124.40 : x
  2. Step 2: Convert to fraction form
    97,685.17/146,526.16 = 31,124.40/x
  3. Step 3: Cross multiply
    97,685.17x = 146,526.16 × 31,124.40
  4. Step 4: Simplify right side
    97,685.17x = 4,560,537,926.05
  5. Step 5: Solve for x
    x = 4,560,537,926.05/97,685.17
  6. Step 6: Final answer
    x = 46,686.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.