Home / 90,897.53-125,395.52-64,054.81

Finding the Fourth Proportional to 90,897.53, 125,395.52 and 64,054.81

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Solution

The fourth proportional to 90,897.53, 125,395.52 and 64,054.81 is: 88,365.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,897.53 : 125,395.52 = 64,054.81 : x
  2. Step 2: Convert to fraction form
    90,897.53/125,395.52 = 64,054.81/x
  3. Step 3: Cross multiply
    90,897.53x = 125,395.52 × 64,054.81
  4. Step 4: Simplify right side
    90,897.53x = 8,032,185,574.69
  5. Step 5: Solve for x
    x = 8,032,185,574.69/90,897.53
  6. Step 6: Final answer
    x = 88,365.28

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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.