Home / 112,713.84-155,543.98-61,030.69

Finding the Fourth Proportional to 112,713.84, 155,543.98 and 61,030.69

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Solution

The fourth proportional to 112,713.84, 155,543.98 and 61,030.69 is: 84,221.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,713.84 : 155,543.98 = 61,030.69 : x
  2. Step 2: Convert to fraction form
    112,713.84/155,543.98 = 61,030.69/x
  3. Step 3: Cross multiply
    112,713.84x = 155,543.98 × 61,030.69
  4. Step 4: Simplify right side
    112,713.84x = 9,492,956,424.75
  5. Step 5: Solve for x
    x = 9,492,956,424.75/112,713.84
  6. Step 6: Final answer
    x = 84,221.75

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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.