Home / 70,624.89-97,421.64-42,314.18

Finding the Fourth Proportional to 70,624.89, 97,421.64 and 42,314.18

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Solution

The fourth proportional to 70,624.89, 97,421.64 and 42,314.18 is: 58,369.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,624.89 : 97,421.64 = 42,314.18 : x
  2. Step 2: Convert to fraction form
    70,624.89/97,421.64 = 42,314.18/x
  3. Step 3: Cross multiply
    70,624.89x = 97,421.64 × 42,314.18
  4. Step 4: Simplify right side
    70,624.89x = 4,122,316,165.07
  5. Step 5: Solve for x
    x = 4,122,316,165.07/70,624.89
  6. Step 6: Final answer
    x = 58,369.17

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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.