Home / 70,612.08-97,446.44-38,783.96

Finding the Fourth Proportional to 70,612.08, 97,446.44 and 38,783.96

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Solution

The fourth proportional to 70,612.08, 97,446.44 and 38,783.96 is: 53,522.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,612.08 : 97,446.44 = 38,783.96 : x
  2. Step 2: Convert to fraction form
    70,612.08/97,446.44 = 38,783.96/x
  3. Step 3: Cross multiply
    70,612.08x = 97,446.44 × 38,783.96
  4. Step 4: Simplify right side
    70,612.08x = 3,779,358,831.10
  5. Step 5: Solve for x
    x = 3,779,358,831.10/70,612.08
  6. Step 6: Final answer
    x = 53,522.84

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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.