Home / 88,097.75-121,675.80-58,017.53

Finding the Fourth Proportional to 88,097.75, 121,675.80 and 58,017.53

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Solution

The fourth proportional to 88,097.75, 121,675.80 and 58,017.53 is: 80,130.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,097.75 : 121,675.80 = 58,017.53 : x
  2. Step 2: Convert to fraction form
    88,097.75/121,675.80 = 58,017.53/x
  3. Step 3: Cross multiply
    88,097.75x = 121,675.80 × 58,017.53
  4. Step 4: Simplify right side
    88,097.75x = 7,059,329,376.77
  5. Step 5: Solve for x
    x = 7,059,329,376.77/88,097.75
  6. Step 6: Final answer
    x = 80,130.64

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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.