Home / 112,948.95-155,868.48-61,960.62

Finding the Fourth Proportional to 112,948.95, 155,868.48 and 61,960.62

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Solution

The fourth proportional to 112,948.95, 155,868.48 and 61,960.62 is: 85,505.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,948.95 : 155,868.48 = 61,960.62 : x
  2. Step 2: Convert to fraction form
    112,948.95/155,868.48 = 61,960.62/x
  3. Step 3: Cross multiply
    112,948.95x = 155,868.48 × 61,960.62
  4. Step 4: Simplify right side
    112,948.95x = 9,657,707,659.26
  5. Step 5: Solve for x
    x = 9,657,707,659.26/112,948.95
  6. Step 6: Final answer
    x = 85,505.07

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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.