Home / 70,374.42-97,111.71-38,543.04

Finding the Fourth Proportional to 70,374.42, 97,111.71 and 38,543.04

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Solution

The fourth proportional to 70,374.42, 97,111.71 and 38,543.04 is: 53,186.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,374.42 : 97,111.71 = 38,543.04 : x
  2. Step 2: Convert to fraction form
    70,374.42/97,111.71 = 38,543.04/x
  3. Step 3: Cross multiply
    70,374.42x = 97,111.71 × 38,543.04
  4. Step 4: Simplify right side
    70,374.42x = 3,742,980,523.00
  5. Step 5: Solve for x
    x = 3,742,980,523.00/70,374.42
  6. Step 6: Final answer
    x = 53,186.66

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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.