Home / 86,482.02-119,345.04-48,756.28

Finding the Fourth Proportional to 86,482.02, 119,345.04 and 48,756.28

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Solution

The fourth proportional to 86,482.02, 119,345.04 and 48,756.28 is: 67,283.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,482.02 : 119,345.04 = 48,756.28 : x
  2. Step 2: Convert to fraction form
    86,482.02/119,345.04 = 48,756.28/x
  3. Step 3: Cross multiply
    86,482.02x = 119,345.04 × 48,756.28
  4. Step 4: Simplify right side
    86,482.02x = 5,818,820,186.85
  5. Step 5: Solve for x
    x = 5,818,820,186.85/86,482.02
  6. Step 6: Final answer
    x = 67,283.58

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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.