Home / 70,402.13-97,154.93-42,114.50

Finding the Fourth Proportional to 70,402.13, 97,154.93 and 42,114.50

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Solution

The fourth proportional to 70,402.13, 97,154.93 and 42,114.50 is: 58,118.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,402.13 : 97,154.93 = 42,114.50 : x
  2. Step 2: Convert to fraction form
    70,402.13/97,154.93 = 42,114.50/x
  3. Step 3: Cross multiply
    70,402.13x = 97,154.93 × 42,114.50
  4. Step 4: Simplify right side
    70,402.13x = 4,091,631,299.49
  5. Step 5: Solve for x
    x = 4,091,631,299.49/70,402.13
  6. Step 6: Final answer
    x = 58,118.00

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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.