Home / 74,088.32-102,237.96-40,547.84

Finding the Fourth Proportional to 74,088.32, 102,237.96 and 40,547.84

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Solution

The fourth proportional to 74,088.32, 102,237.96 and 40,547.84 is: 55,953.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,088.32 : 102,237.96 = 40,547.84 : x
  2. Step 2: Convert to fraction form
    74,088.32/102,237.96 = 40,547.84/x
  3. Step 3: Cross multiply
    74,088.32x = 102,237.96 × 40,547.84
  4. Step 4: Simplify right side
    74,088.32x = 4,145,528,444.01
  5. Step 5: Solve for x
    x = 4,145,528,444.01/74,088.32
  6. Step 6: Final answer
    x = 55,953.87

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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.