Home / 52,440.88-72,305.74-42,845.40

Finding the Fourth Proportional to 52,440.88, 72,305.74 and 42,845.40

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Solution

The fourth proportional to 52,440.88, 72,305.74 and 42,845.40 is: 59,075.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,440.88 : 72,305.74 = 42,845.40 : x
  2. Step 2: Convert to fraction form
    52,440.88/72,305.74 = 42,845.40/x
  3. Step 3: Cross multiply
    52,440.88x = 72,305.74 × 42,845.40
  4. Step 4: Simplify right side
    52,440.88x = 3,097,968,352.60
  5. Step 5: Solve for x
    x = 3,097,968,352.60/52,440.88
  6. Step 6: Final answer
    x = 59,075.45

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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.