Home / 77,021.58-106,349.85-59,088.18

Finding the Fourth Proportional to 77,021.58, 106,349.85 and 59,088.18

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Solution

The fourth proportional to 77,021.58, 106,349.85 and 59,088.18 is: 81,587.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,021.58 : 106,349.85 = 59,088.18 : x
  2. Step 2: Convert to fraction form
    77,021.58/106,349.85 = 59,088.18/x
  3. Step 3: Cross multiply
    77,021.58x = 106,349.85 × 59,088.18
  4. Step 4: Simplify right side
    77,021.58x = 6,284,019,079.77
  5. Step 5: Solve for x
    x = 6,284,019,079.77/77,021.58
  6. Step 6: Final answer
    x = 81,587.77

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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.