Home / 84,700.77-127,030.50-28,526.27

Finding the Fourth Proportional to 84,700.77, 127,030.50 and 28,526.27

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Solution

The fourth proportional to 84,700.77, 127,030.50 and 28,526.27 is: 42,782.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,700.77 : 127,030.50 = 28,526.27 : x
  2. Step 2: Convert to fraction form
    84,700.77/127,030.50 = 28,526.27/x
  3. Step 3: Cross multiply
    84,700.77x = 127,030.50 × 28,526.27
  4. Step 4: Simplify right side
    84,700.77x = 3,623,705,706.08
  5. Step 5: Solve for x
    x = 3,623,705,706.08/84,700.77
  6. Step 6: Final answer
    x = 42,782.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.