Home / 77,569.92-106,962.73-70,779.29

Finding the Fourth Proportional to 77,569.92, 106,962.73 and 70,779.29

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Solution

The fourth proportional to 77,569.92, 106,962.73 and 70,779.29 is: 97,598.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,569.92 : 106,962.73 = 70,779.29 : x
  2. Step 2: Convert to fraction form
    77,569.92/106,962.73 = 70,779.29/x
  3. Step 3: Cross multiply
    77,569.92x = 106,962.73 × 70,779.29
  4. Step 4: Simplify right side
    77,569.92x = 7,570,745,374.10
  5. Step 5: Solve for x
    x = 7,570,745,374.10/77,569.92
  6. Step 6: Final answer
    x = 97,598.98

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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.