Home / 67,779.96-93,419.50-45,078.34

Finding the Fourth Proportional to 67,779.96, 93,419.50 and 45,078.34

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Solution

The fourth proportional to 67,779.96, 93,419.50 and 45,078.34 is: 62,130.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,779.96 : 93,419.50 = 45,078.34 : x
  2. Step 2: Convert to fraction form
    67,779.96/93,419.50 = 45,078.34/x
  3. Step 3: Cross multiply
    67,779.96x = 93,419.50 × 45,078.34
  4. Step 4: Simplify right side
    67,779.96x = 4,211,195,983.63
  5. Step 5: Solve for x
    x = 4,211,195,983.63/67,779.96
  6. Step 6: Final answer
    x = 62,130.40

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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.