Home / 92,790.18-128,017.02-52,503.51

Finding the Fourth Proportional to 92,790.18, 128,017.02 and 52,503.51

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Solution

The fourth proportional to 92,790.18, 128,017.02 and 52,503.51 is: 72,435.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,790.18 : 128,017.02 = 52,503.51 : x
  2. Step 2: Convert to fraction form
    92,790.18/128,017.02 = 52,503.51/x
  3. Step 3: Cross multiply
    92,790.18x = 128,017.02 × 52,503.51
  4. Step 4: Simplify right side
    92,790.18x = 6,721,343,566.69
  5. Step 5: Solve for x
    x = 6,721,343,566.69/92,790.18
  6. Step 6: Final answer
    x = 72,435.94

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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.