Home / 88,070.47-121,623.53-60,916.10

Finding the Fourth Proportional to 88,070.47, 121,623.53 and 60,916.10

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Solution

The fourth proportional to 88,070.47, 121,623.53 and 60,916.10 is: 84,123.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,070.47 : 121,623.53 = 60,916.10 : x
  2. Step 2: Convert to fraction form
    88,070.47/121,623.53 = 60,916.10/x
  3. Step 3: Cross multiply
    88,070.47x = 121,623.53 × 60,916.10
  4. Step 4: Simplify right side
    88,070.47x = 7,408,830,203.13
  5. Step 5: Solve for x
    x = 7,408,830,203.13/88,070.47
  6. Step 6: Final answer
    x = 84,123.89

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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.