Home / 97,953.60-135,047.40-70,706.88

Finding the Fourth Proportional to 97,953.60, 135,047.40 and 70,706.88

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Solution

The fourth proportional to 97,953.60, 135,047.40 and 70,706.88 is: 97,482.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,953.60 : 135,047.40 = 70,706.88 : x
  2. Step 2: Convert to fraction form
    97,953.60/135,047.40 = 70,706.88/x
  3. Step 3: Cross multiply
    97,953.60x = 135,047.40 × 70,706.88
  4. Step 4: Simplify right side
    97,953.60x = 9,548,780,306.11
  5. Step 5: Solve for x
    x = 9,548,780,306.11/97,953.60
  6. Step 6: Final answer
    x = 97,482.69

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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.