Home / 88,913.68-122,699.67-50,675.51

Finding the Fourth Proportional to 88,913.68, 122,699.67 and 50,675.51

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Solution

The fourth proportional to 88,913.68, 122,699.67 and 50,675.51 is: 69,931.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,913.68 : 122,699.67 = 50,675.51 : x
  2. Step 2: Convert to fraction form
    88,913.68/122,699.67 = 50,675.51/x
  3. Step 3: Cross multiply
    88,913.68x = 122,699.67 × 50,675.51
  4. Step 4: Simplify right side
    88,913.68x = 6,217,868,354.08
  5. Step 5: Solve for x
    x = 6,217,868,354.08/88,913.68
  6. Step 6: Final answer
    x = 69,931.52

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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.