Home / 73,847.07-101,907.63-42,015.30

Finding the Fourth Proportional to 73,847.07, 101,907.63 and 42,015.30

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Solution

The fourth proportional to 73,847.07, 101,907.63 and 42,015.30 is: 57,980.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,847.07 : 101,907.63 = 42,015.30 : x
  2. Step 2: Convert to fraction form
    73,847.07/101,907.63 = 42,015.30/x
  3. Step 3: Cross multiply
    73,847.07x = 101,907.63 × 42,015.30
  4. Step 4: Simplify right side
    73,847.07x = 4,281,679,646.74
  5. Step 5: Solve for x
    x = 4,281,679,646.74/73,847.07
  6. Step 6: Final answer
    x = 57,980.36

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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.