Home / 56,071.40-83,696.85-49,428.32

Finding the Fourth Proportional to 56,071.40, 83,696.85 and 49,428.32

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Solution

The fourth proportional to 56,071.40, 83,696.85 and 49,428.32 is: 73,780.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,071.40 : 83,696.85 = 49,428.32 : x
  2. Step 2: Convert to fraction form
    56,071.40/83,696.85 = 49,428.32/x
  3. Step 3: Cross multiply
    56,071.40x = 83,696.85 × 49,428.32
  4. Step 4: Simplify right side
    56,071.40x = 4,136,994,266.31
  5. Step 5: Solve for x
    x = 4,136,994,266.31/56,071.40
  6. Step 6: Final answer
    x = 73,780.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.