Home / 114,931.52-172,364.56-48,386.76

Finding the Fourth Proportional to 114,931.52, 172,364.56 and 48,386.76

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Solution

The fourth proportional to 114,931.52, 172,364.56 and 48,386.76 is: 72,566.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,931.52 : 172,364.56 = 48,386.76 : x
  2. Step 2: Convert to fraction form
    114,931.52/172,364.56 = 48,386.76/x
  3. Step 3: Cross multiply
    114,931.52x = 172,364.56 × 48,386.76
  4. Step 4: Simplify right side
    114,931.52x = 8,340,162,597.23
  5. Step 5: Solve for x
    x = 8,340,162,597.23/114,931.52
  6. Step 6: Final answer
    x = 72,566.36

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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.