Home / 56,541.55-78,028.70-30,701.19

Finding the Fourth Proportional to 56,541.55, 78,028.70 and 30,701.19

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Solution

The fourth proportional to 56,541.55, 78,028.70 and 30,701.19 is: 42,368.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,541.55 : 78,028.70 = 30,701.19 : x
  2. Step 2: Convert to fraction form
    56,541.55/78,028.70 = 30,701.19/x
  3. Step 3: Cross multiply
    56,541.55x = 78,028.70 × 30,701.19
  4. Step 4: Simplify right side
    56,541.55x = 2,395,573,644.34
  5. Step 5: Solve for x
    x = 2,395,573,644.34/56,541.55
  6. Step 6: Final answer
    x = 42,368.38

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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.