Home / 71,069.60-98,075.61-39,238.22

Finding the Fourth Proportional to 71,069.60, 98,075.61 and 39,238.22

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Solution

The fourth proportional to 71,069.60, 98,075.61 and 39,238.22 is: 54,148.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,069.60 : 98,075.61 = 39,238.22 : x
  2. Step 2: Convert to fraction form
    71,069.60/98,075.61 = 39,238.22/x
  3. Step 3: Cross multiply
    71,069.60x = 98,075.61 × 39,238.22
  4. Step 4: Simplify right side
    71,069.60x = 3,848,312,607.00
  5. Step 5: Solve for x
    x = 3,848,312,607.00/71,069.60
  6. Step 6: Final answer
    x = 54,148.50

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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.