Home / 109,867.14-151,617.81-64,547.01

Finding the Fourth Proportional to 109,867.14, 151,617.81 and 64,547.01

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Solution

The fourth proportional to 109,867.14, 151,617.81 and 64,547.01 is: 89,075.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,867.14 : 151,617.81 = 64,547.01 : x
  2. Step 2: Convert to fraction form
    109,867.14/151,617.81 = 64,547.01/x
  3. Step 3: Cross multiply
    109,867.14x = 151,617.81 × 64,547.01
  4. Step 4: Simplify right side
    109,867.14x = 9,786,476,298.25
  5. Step 5: Solve for x
    x = 9,786,476,298.25/109,867.14
  6. Step 6: Final answer
    x = 89,075.55

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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.