Home / 90,365.02-124,701.93-50,077.95

Finding the Fourth Proportional to 90,365.02, 124,701.93 and 50,077.95

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Solution

The fourth proportional to 90,365.02, 124,701.93 and 50,077.95 is: 69,106.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,365.02 : 124,701.93 = 50,077.95 : x
  2. Step 2: Convert to fraction form
    90,365.02/124,701.93 = 50,077.95/x
  3. Step 3: Cross multiply
    90,365.02x = 124,701.93 × 50,077.95
  4. Step 4: Simplify right side
    90,365.02x = 6,244,816,547.81
  5. Step 5: Solve for x
    x = 6,244,816,547.81/90,365.02
  6. Step 6: Final answer
    x = 69,106.57

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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.