Home / 88,307.52-121,864.95-48,021.72

Finding the Fourth Proportional to 88,307.52, 121,864.95 and 48,021.72

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Solution

The fourth proportional to 88,307.52, 121,864.95 and 48,021.72 is: 66,270.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,307.52 : 121,864.95 = 48,021.72 : x
  2. Step 2: Convert to fraction form
    88,307.52/121,864.95 = 48,021.72/x
  3. Step 3: Cross multiply
    88,307.52x = 121,864.95 × 48,021.72
  4. Step 4: Simplify right side
    88,307.52x = 5,852,164,506.71
  5. Step 5: Solve for x
    x = 5,852,164,506.71/88,307.52
  6. Step 6: Final answer
    x = 66,270.28

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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.