Home / 46,075.84-69,030.32-21,136.74

Finding the Fourth Proportional to 46,075.84, 69,030.32 and 21,136.74

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Solution

The fourth proportional to 46,075.84, 69,030.32 and 21,136.74 is: 31,666.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,075.84 : 69,030.32 = 21,136.74 : x
  2. Step 2: Convert to fraction form
    46,075.84/69,030.32 = 21,136.74/x
  3. Step 3: Cross multiply
    46,075.84x = 69,030.32 × 21,136.74
  4. Step 4: Simplify right side
    46,075.84x = 1,459,075,925.96
  5. Step 5: Solve for x
    x = 1,459,075,925.96/46,075.84
  6. Step 6: Final answer
    x = 31,666.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.