Home / 97,647.12-134,679.11-70,878.24

Finding the Fourth Proportional to 97,647.12, 134,679.11 and 70,878.24

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Solution

The fourth proportional to 97,647.12, 134,679.11 and 70,878.24 is: 97,758.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,647.12 : 134,679.11 = 70,878.24 : x
  2. Step 2: Convert to fraction form
    97,647.12/134,679.11 = 70,878.24/x
  3. Step 3: Cross multiply
    97,647.12x = 134,679.11 × 70,878.24
  4. Step 4: Simplify right side
    97,647.12x = 9,545,817,927.18
  5. Step 5: Solve for x
    x = 9,545,817,927.18/97,647.12
  6. Step 6: Final answer
    x = 97,758.32

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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.