Home / 75,312.68-103,888.32-46,969.16

Finding the Fourth Proportional to 75,312.68, 103,888.32 and 46,969.16

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Solution

The fourth proportional to 75,312.68, 103,888.32 and 46,969.16 is: 64,790.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,312.68 : 103,888.32 = 46,969.16 : x
  2. Step 2: Convert to fraction form
    75,312.68/103,888.32 = 46,969.16/x
  3. Step 3: Cross multiply
    75,312.68x = 103,888.32 × 46,969.16
  4. Step 4: Simplify right side
    75,312.68x = 4,879,547,124.21
  5. Step 5: Solve for x
    x = 4,879,547,124.21/75,312.68
  6. Step 6: Final answer
    x = 64,790.51

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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.