Home / 97,411.10-146,116.65-53,124.35

Finding the Fourth Proportional to 97,411.10, 146,116.65 and 53,124.35

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Solution

The fourth proportional to 97,411.10, 146,116.65 and 53,124.35 is: 79,686.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,411.10 : 146,116.65 = 53,124.35 : x
  2. Step 2: Convert to fraction form
    97,411.10/146,116.65 = 53,124.35/x
  3. Step 3: Cross multiply
    97,411.10x = 146,116.65 × 53,124.35
  4. Step 4: Simplify right side
    97,411.10x = 7,762,352,055.43
  5. Step 5: Solve for x
    x = 7,762,352,055.43/97,411.10
  6. Step 6: Final answer
    x = 79,686.53

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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.