Home / 70,931.90-97,858.56-40,706.30

Finding the Fourth Proportional to 70,931.90, 97,858.56 and 40,706.30

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Solution

The fourth proportional to 70,931.90, 97,858.56 and 40,706.30 is: 56,158.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,931.90 : 97,858.56 = 40,706.30 : x
  2. Step 2: Convert to fraction form
    70,931.90/97,858.56 = 40,706.30/x
  3. Step 3: Cross multiply
    70,931.90x = 97,858.56 × 40,706.30
  4. Step 4: Simplify right side
    70,931.90x = 3,983,459,900.93
  5. Step 5: Solve for x
    x = 3,983,459,900.93/70,931.90
  6. Step 6: Final answer
    x = 56,158.93

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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.