Home / 103,596.98-142,841.56-70,907.18

Finding the Fourth Proportional to 103,596.98, 142,841.56 and 70,907.18

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Solution

The fourth proportional to 103,596.98, 142,841.56 and 70,907.18 is: 97,768.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,596.98 : 142,841.56 = 70,907.18 : x
  2. Step 2: Convert to fraction form
    103,596.98/142,841.56 = 70,907.18/x
  3. Step 3: Cross multiply
    103,596.98x = 142,841.56 × 70,907.18
  4. Step 4: Simplify right side
    103,596.98x = 10,128,492,206.40
  5. Step 5: Solve for x
    x = 10,128,492,206.40/103,596.98
  6. Step 6: Final answer
    x = 97,768.22

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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.