Home / 112,559.18-155,326.53-61,571.18

Finding the Fourth Proportional to 112,559.18, 155,326.53 and 61,571.18

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Solution

The fourth proportional to 112,559.18, 155,326.53 and 61,571.18 is: 84,965.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,559.18 : 155,326.53 = 61,571.18 : x
  2. Step 2: Convert to fraction form
    112,559.18/155,326.53 = 61,571.18/x
  3. Step 3: Cross multiply
    112,559.18x = 155,326.53 × 61,571.18
  4. Step 4: Simplify right side
    112,559.18x = 9,563,637,737.41
  5. Step 5: Solve for x
    x = 9,563,637,737.41/112,559.18
  6. Step 6: Final answer
    x = 84,965.42

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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.